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Geyser1974-09-28
Echinus0942, 1100, 1223, 1350, 1516, 1637
Ledge 1000
Values for Old Faithful Area1974-09-28
Astronomical Twilight Begin05:40
Nautical Twilight Begin06:14
Civil Twilight Begin06:48
Sunrise07:17
Sunset19:10
Civil Twilight End19:39
Nautical Twilight End20:13
Astronomical Twilight End20:47
Moon Illumination90.49%

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